Nature Happenings for September

  • Western Meadowlarks migrate.
  • Mule Deer are shedding the velvet from their antlers.
  • Asters are the last plants to bloom.
  • Fall hawk migration begins.
  • Monarch Butterfly migration peaks.
  • Bats are busy feeding, building fat for hibernation and migration.
  • Blackbird (grackles, cowbirds and redwings) flocks can number in the thousands.
  • Shorebird migration ends.
  • Fall migration peaks for warblers and others.
  • Bucks and bulls polishing their antlers; look for deer and elk rubs.
  • Autumn colors begin — Sumac, dogwood and Virginia Creeper.
  • Most hummingbirds depart by the end of month.
  • Robins begin to join together in large flocks.
  • Bears are feeding in preparation for hibernation.
  • Switch feeders to high-fat, winter foods.